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EP1639182A2 - Compositions de nettoyage a fluides lipophiles de blanchissement optique - Google Patents

Compositions de nettoyage a fluides lipophiles de blanchissement optique

Info

Publication number
EP1639182A2
EP1639182A2 EP04756214A EP04756214A EP1639182A2 EP 1639182 A2 EP1639182 A2 EP 1639182A2 EP 04756214 A EP04756214 A EP 04756214A EP 04756214 A EP04756214 A EP 04756214A EP 1639182 A2 EP1639182 A2 EP 1639182A2
Authority
EP
European Patent Office
Prior art keywords
cleaning composition
sensitizer
extender
lipophilic fluid
cleaning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04756214A
Other languages
German (de)
English (en)
Inventor
Alan David Willey
Brian Jeffreys
Anthony Harriman
Vladimir Garstein
William Michael Scheper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP1639182A2 publication Critical patent/EP1639182A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/0063—Photo- activating compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/162—Organic compounds containing Si
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/18—Hydrocarbons
    • C11D3/187—Hydrocarbons aromatic
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2068—Ethers
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2072—Aldehydes-ketones
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/28—Heterocyclic compounds containing nitrogen in the ring
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/34—Organic compounds containing sulfur
    • C11D3/3481—Organic compounds containing sulfur containing sulfur in a heterocyclic ring, e.g. sultones or sulfolanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • D06L1/04—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents combined with specific additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/15—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using organic agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/50—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs by irradiation or ozonisation

Definitions

  • the present invention relates to lipophilic fluid cleaning compositions having bleaching capabilities, and processes of making and using same.
  • Dry cleaning typically involves the use of non-aqueous, lipophilic fluids as the solvent or cleaning solution. While cleaning with lipophilic fluids eliminates or minimizes fabric damage, lipophilic fluids have poor hydrophilic and/or combination soil removal capabilities. However, such soils may be efficiently removed by cleaning additives. Unfortunately cleaning additives, such as bleaching materials are sparingly soluble in lipophilic fluids, and ineffective in lipophilic fluids as such materials deposit unevenly on fabrics thus causing fabric damage. As a result, pre-treating and/or pre-spotting compositions are used to remove tough soils.
  • pre-treating and/or pre-spotting are time consuming and generally limited to spot removal, there is a need for compositions that can be used to provide a lipophilic fluid with bleaching capabilities, lipophilic fluid cleaning compositions having bleaching capabilities and processes of making and using same.
  • compositions comprising a photosenitizer that can be used to provide a lipophilic fluid with bleaching capabilities, lipophilic fluid cleaning compositions having bleaching capabilities and processes of making and using same.
  • fabrics and “fabric” used herein is intended to mean any article that is customarily cleaned in a conventional laundry process or in a dry cleaning process. As such the term encompasses articles of clothing, linen, drapery, and clothing accessories. The term also encompasses other items made in whole or in part of fabric, such as tote bags, furniture covers, tarpaulins and the like.
  • soil means any undesirable substance on a fabric.
  • water-based or “hydrophilic” soils it is meant that the soil comprised water at the time it first came in contact with the fabric article, or the soil retains a significant portion of water on the fabric article.
  • water-based soils include, but are not limited to beverages, many food soils, water soluble dyes, bodily fluids such as sweat, urine or blood, outdoor soils such as grass stains and mud.
  • an emulsifier or "a sensitizer” is understood to mean one or more of the material that is claimed or described.
  • all component or composition levels are in reference to the active level of that component or composition, and are exclusive of impurities, for example, residual solvents or by-products, which may be present in commercially available sources. All percentages, ratios and proportions herein are by weight, unless otherwise specified.
  • Lipophilic Fluid Cleaning Compositions Having Bleaching Capabilities may comprise greater than about 1 ppm, from about 1 ppm to about 1,000 ppm, from about 5 ppm to about 500 ppm, or even from about 10 ppm to about 300 ppm of a senitizer; from about greater than 100 ppm, from about 100 ppm to about 10,000 ppm, from about 200 ppm to about 5,000 ppm, or from even from about 500 ppm to about 2,000 ppm of an extender with the balance of said cleaning compositions being a lipophilic fluid or a mixture of a lipophilic fluid and an adjunct ingredient.
  • Photosenitizer Compositions Applicants have discovered that certain photosenitizer compositions are unexpectedly suitable for incorporation into lipophilic fluids.
  • Suitable photosenitizer compositions typically contain a senitizer, and an extender, and may contain optional ingredients such as anionic, cationic, nonionic, and zwitterionic surfactants.
  • Solid compositions based on total weight of said composition, may comprise from about 0.1% to about 50%, from about 1% to about 25%, or even from about 5% to about 20% of a senitizer; from about 1% to about 99.9%, from about 5% to about 90%, or from even from about 10% to about 50% of an extender with the balance of said compositions being a an optional/adjunct.
  • Fluid photosenitizer compositions may comprise, based on the total weight of said composition, from about 0.1% to about 50%, from about 1% to about 25%, or even from about 5% to about 20% of a senitizer; from about 1% to about 99.9%, from about 5% to about 90%, or from even from about 10% to about 50% of an extender with the balance of said compositions with the balance of said cleaning compositions being a lipophilic fluid or a mixture of a lipophilic fluid and an optional/adjunct ingredient.
  • the aforementioned solid photosenitizer compositions and fluid photosenitizer compositions may be packaged in a kit containing instructions for use.
  • cleaning compositions may be made by combining a photosensitizer, and extender, any lipophilic fluid solvent and any optional ingredients, light energy coming from light having a wavelength that can be absorbed by that of the photosensitizer is minimized and/or the oxygen amount of oxygen in the composition or to which the composition is exposed is minimized.
  • the wavelength of light that any photosensitizer will absorb is determined by the Light Absorbance Test found in the Test Methods Section of the present specification.
  • the minimization of light energy that can be absorbed by the photosensitzer means that during processing such compositions are generally exposed to such wavelength of light at one of the following levels: less than about 1 milliwatt per square meter of solution surface exposed to said light, less than about lx 10 "4 watts per square meter of solution surface exposed to said light, or even less than about 1 microwatt per square meter of solution surface exposed said light.
  • the minimization of oxygen means that during processing the compositions comprise less than about 1 x 10 "2 moles of oxygen per liter, less than about 1 x 10 "3 moles of oxygen per liter, and even less than about 1 x 10 "4 moles of oxygen per liter.
  • In use cleaning compositions may be made by exposing the cleaning compositions described herein to light having a wavelength that can be absorbed by that of the photosensitizer and sufficient oxygen to provide said composition with a dissolved oxygen content of greater than about 1 x 10 "9 moles per liter, greater than about 1 x 10 "6 moles per liter, or even greater than about 1 x 10 "3 moles per liter.
  • the amount of such light energy that is required to produce such in use compositions is typically greater than about 1 x 10 "4 milliwatts per square meter of solution surface exposed to said light, greater than about 1 milliwatt per square meter of solution surface exposed to said light, or even greater than 1 x 10 "2 watts/square meter of solution surface exposed to said light.
  • Said light energy may be provided by any suitable source, including but not limited a light source located in a domestic appliance, said appliance being suitable for cleaning fabrics.
  • Method of Using Items may be cleaned by contacting said item with in use version of Applicants' lipophilic fluid cleaning compositions.
  • contacting includes but is not limited to, immersion and spraying.
  • Such in use composition may be made during the time that they are in contact with the item or items that are to be cleaned.
  • Suitable materials for making Applicants' lipophilic fluid cleaning compositions having bleaching capabilities and bleaching compositions are as follows:
  • Suitable sensitizers include any known sensitizer or mixture of sensitizers that generate singlet oxygen or superoxide.
  • said sensitizer may be selected from the group consisting porphyrins, phthalocyanines, C 8 -C 70 aromatics, superoxide sensitizers, and mixtures thereof.
  • Suitable singlet oxygen sensitizers include perinaphthenone, thioxanthone, acetonaphthenone, Buckminsterfullerane, 2'-Acetonaphthone, Acridine, 9J0-Dibromoanthracene, Coronene, 9-Fluorenone, Helianthrene, Phenazine, 4-methoxy-pivalothiophenone, Pyrene, Perylene, Perinapthanone, Quinoxaline, Riboflavin tetraacetate, Rubrene, p-Terphenyl, ⁇ - Terthienyl, Tetracene, Dimethoxy thiobenzophenone, Thiocoumarin.
  • superoxide sensitizers include triethanolamine substituted silicon phthalocyanines, curcumin, tolylthio benzophenone. Such materials may be obtained from Sigma-Aldrich of Milwaukee, Wisconsin U.S.A.
  • Suitable extenders include species that form adducts with singlet oxygen or superoxide.
  • suitable singlet oxygen extenders include extenders selected from the group consisting of furan, substituted furans, polyethoxylates, alkyl polyethoxylates, polynuclear aromatics, imidazole, substituted imidazoles, pyrrole, substituted pyrroles, and mixtures thereof.
  • Suitable extenders include: 9,10-dimethyl anthracene, Furfuryl alcohol, 2-Furoic acid, 3-Furoic acid, 3-Furanmethanol, 2-benzofurancarboxylic acid, 9,10-Dimethylanthracene, 1,4-Dimethylnaphthalene, Furfural, 2,5 dimethyl furan and mixtures thereof.
  • Such materials may be obtained from Sigma-Aldrich of Milwaukee, Wisconsin U.S.A.
  • Additional materials that may be useful as extenders include surfactants, such as alkyl ethoxylates, for example, NeodolTM 91- 2.5 which is supplied Shell Chemicals of Houston, Texas U.S.A. Such surfactants can function as cleaning adjuncts and as extenders.
  • lipophilic fluid means any liquid or mixture of liquid that is immiscible with water at up to 20% by weight of water.
  • a suitable lipophilic fluid can be fully liquid at ambient temperature and pressure, can be an easily melted solid, e.g., one which becomes liquid at temperatures in the range from about 0 °C to about 60°C, or can comprise a mixture of liquid and vapor phases at ambient temperatures and pressures, e.g., at 25 °C and 1 arm. of pressure.
  • the lipophilic fluid herein be inflammable or, have relatively high flash points and/or low VOC characteristics, these terms having conventional meanings as used in the dry cleaning industry, to equal or, preferably, exceed the characteristics of known conventional dry cleaning fluids.
  • Non-limiting examples of suitable lipophilic fluid materials include siloxanes, other silicones, hydrocarbons, glycol ethers, glycerine derivatives such as glycerine ethers, perfluorinated amines, perfluorinated and hydrofluoroether solvents, low-volatility nonfluorinated organic solvents, diol solvents, other environmentally-friendly solvents and mixtures thereof.
  • siloxane as used herein means silicone fluids that are non-polar and insoluble in water or lower alcohols.
  • Linear siloxanes (see for example US Patents 5,443,747, and 5,977,040) and cyclic siloxanes are useful herein, including the cyclic siloxanes selected from the group consisting of octarnethyl-cyclotetrasiloxane (tetramer), dodecamethyl-cyclohexasiloxane (hexamer), and preferably decamethyl-cyclopentasiloxane (pentamer, commonly referred to as "D5").
  • octarnethyl-cyclotetrasiloxane tetramer
  • dodecamethyl-cyclohexasiloxane hexamer
  • D5 decamethyl-cyclopentasiloxane
  • a preferred siloxane comprises more than about 50% cyclic siloxane pentamer, more preferably more than about 75% cyclic siloxane pentamer, most preferably at least about 90% of the cyclic siloxane pentamer.
  • siloxanes that are a mixture of cyclic siloxanes having at least about 90% (preferably at least about 95%) pentamer and less than about 10% (preferably less than about 5%) tetramer and/or hexamer.
  • the lipophilic fluid can include any fraction of dry-cleaning solvents, especially newer types including fluorinated solvents, or perfluorinated amines.
  • perfluorinated amines such as perfluorotributylamines
  • lipophilic fluids include, but are not limited to, diol solvent systems e.g., higher diols such as C ⁇ or C 8 or higher diols, organosilicone solvents including both cyclic and acyclic types, and the like, and mixtures thereof.
  • diol solvent systems e.g., higher diols such as C ⁇ or C 8 or higher diols
  • organosilicone solvents including both cyclic and acyclic types, and the like, and mixtures thereof.
  • Non-limiting examples of low volatility non-fluorinated organic solvents include for example OLEAN ® and other polyol esters, or certain relatively nonvolatile biodegradable mid- chain branched petroleum fractions.
  • glycol ethers include propylene glycol methyl ether, propylene glycol n-propyl ether, propylene glycol t-butyl ether, propylene glycol n-butyl ether, dipropylene glycol methyl ether, dipropylene glycol n-propyl ether, dipropylene glycol t-butyl ether, dipropylene glycol n-butyl ether, tripropylene glycol methyl ether, tripropylene glycol n-propyl ether, tripropylene glycol t-butyl ether, tripropylene glycol n-butyl ether.
  • Non-limiting examples of other silicone solvents in addition to the siloxanes, are well known in the literature, see, for example, Kirk Othmer's Encyclopedia of Chemical Technology, and are available from a number of commercial sources, including GE Silicones, Toshiba Silicone, Bayer, and Dow Corning.
  • one suitable silicone solvent is SF-1528 available from GE Silicones.
  • Non-limiting examples of glycerine derivative solvents include materials having the following structure:
  • Non-limiting examples of suitable glycerine derivative solvents for use in the methods and/or apparatuses of the present invention include glyercine derivatives having the following structure:
  • R 1 , R 2 and R 3 are each independently selected from: H; branched or linear, substituted or unsubstituted C ⁇ -C 30 alkyl, C 2 -C 3 o alkenyl, C ⁇ -C 30 alkoxycarbonyl, C 3 -C 30 alkyleneoxyalkyl, C r C 30 acyloxy, C 7 -C 30 alkylenearyl; C 4 -C 30 cycloalkyl; C 6 -C 3 o aryl; and mixtures thereof.
  • Two or more of R 1 , R 2 and R 3 together can form a C 3 -C 8 aromatic or non-aromatic, heterocyclic or non- heterocyclic ring.
  • Non-limiting examples of suitable glycerine derivative solvents include 2,3-bis(lJ- dimethylethoxy)- 1 -propanol; 2,3-dimethoxy- 1 -propanol; 3 -methoxy-2-cyclopentoxy- 1 -propanol; 3-methoxy-l-cyclopentoxy-2-propanol; carbonic acid (2-hydroxy-l-methoxymethyl)ethyl ester methyl ester; glycerol carbonate and mixtures thereof.
  • Non-limiting examples of other environmentally-friendly solvents include lipophilic fluids that have an ozone formation potential of from about 0 to about 0.31, lipophilic fluids that have a vapor pressure of from about 0 to about 0J mm Hg, and/or lipophilic fluids that have a vapor pressure of greater than 0J mm Hg, but have an ozone formation potential of from about 0 to about 0.31.
  • Non-limiting examples of such lipophilic fluids that have not previously been described above include carbonate solvents (i.e., methyl carbonates, ethyl carbonates, ethylene carbonates, propylene carbonates, glycerine carbonates) and/or succinate solvents (i.e., dimethyl succinates).
  • ozone reactivity is a measure of a VOC's ability to form ozone in the atmosphere. It is measured as grams of ozone formed per gram of volatile organics. A methodology to determine ozone reactivity is discussed further in W. P. L. Carter, "Development of Ozone Reactivity Scales of Volatile Organic Compounds", Journal of the Air & Waste Management Association, Vol. 44, Pages 881-899, 1994.
  • "Vapor Pressure” as used can be measured by techniques defined in Method 310 of the California Air Resources Board.
  • the lipophilic fluid comprises more than 50% by weight of the lipophilic fluid of cyclopentasiloxanes, ("D5") and/or linear analogs having approximately similar volatility, and optionally complemented by other silicone solvents.
  • Optional/Adjunct Ingredients While not essential for the purposes of the present invention, the non-limiting list of optional ingredients illustrated hereinafter are suitable for use in the instant cleaning compositions and may be desirably incorporated in certain embodiments of the invention, for example to assist or enhance cleaning performance, for treatment of the substrate to be cleaned, or to modify the aesthetics of the cleaning composition as is the case with perfumes, colorants, dyes or the like. The precise nature of these additional components, and levels of incorporation thereof, will depend on the composition and the nature of the cleaning operation for which it is to be used.
  • Suitable adjunct materials include, but are not limited to, additional surfactants beyond those that function as extenders, builders, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay soil removal/anti- redeposition agents, brighteners, suds suppressors, dyes, perfumes, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
  • additional surfactants beyond those that function as extenders, builders, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay soil removal/anti- redeposition agents, brighteners, suds suppressors, dyes, perfumes, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments.
  • additional surfactants beyond those that function as extenders, builders, dye transfer inhibiting agents, dispersants, enzymes, and enzyme stabilizers, catalytic
  • Light Absorbance Test Provides for determining wavelength of light absorbed by a sensitizer.
  • 1. Dissolve a sufficient amount of photosensitizer of choice in the solvent of choice to obtain a maximum absorbance, between 250 nanometers and 700 nanometers, of 1. 2.
  • any wavelength of light wherein such sensitizer has an absorbance of 0.01 is considered to be a wavelength that is absorbed by the photosensitizer
  • liquid bleach composition is prepared by dissolving thioxanthone, dimethyl furan and the cleaning adjuncts in decamethylcyclopentasiloxane (D5) with stirring while avoiding exposure to light.
  • Thioxanthone 6% Dimethyl furan 30% Cleaning adjuncts 30% Decamethylcyclopentasiloxane balance
  • 100ml of the above described bleach composition is added to 30 liters of D5 in a suitable washing machine and the wash liquor is illuminated with a light source emitting in at least one of the absorbance peaks of thioxanthone while being agitated for a period of 15 minutes.
  • the wash liquor is removed and the fabrics are rinsed with a further 10 liters of D5.
  • the following solid bleach composition is made by mixing thioxanthone, imidazole and the cleaning adjuncts. Thioxanthone 12% Imidazole 60% Cleaning adjuncts balance
  • a liquid bleach composition is prepared by dissolving acetonaphthone and Neodol 92-2.5 in dipropylene glycol t-butyl ether (DGBE): Acetonaphthone 12% Neodol 91-2.5 70% dipropylene glycol t-butyl ether balance
  • 100ml of the above described bleach composition is added to 30 liters of DGBE in a suitable washing machine and the wash liquor is illuminated with a light source emitting in at least one of the absorbance peaks of acetonaphthone while being agitated for a period of 15 minutes.
  • the wash liquor is removed and the fabrics are rinsed with a further 10 liters of DGBE
  • a liquid bleach composition is prepared by dissolving Thixanthone and Neodol 92-2.5 in DGBE: Acetonaphthone 6% NeodolTM 91-2.5 84% dipropylene glycol t-butyl ether (DGBE) balance
  • 100ml of the above described bleach composition is added to 30 liters of DGBE in a suitable washing machine and the wash liquor is illuminated with a light source emitting in at least one of the absorbance peaks of thioxanthone while being agitated for a period of 15 minutes.
  • the wash liquor is removed and the fabrics are rinsed with a further 10 liters of DGBE

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Toxicology (AREA)
  • Detergent Compositions (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

La présente invention a trait à des compositions comportant un sensibilisateur apte à être utilisé pour fournir des fluides lipophiles avec des propriétés de blanchissement, des compositions de nettoyage à fluides lipophiles possédant des propriétés de blanchissement et des procédés de fabrication et d'utilisation de telles compositions. De telles compositions fournissent les avantages de solvants lipophiles classiques et les avantages supplémentaires comprenant le blanchissement.
EP04756214A 2003-06-27 2004-06-28 Compositions de nettoyage a fluides lipophiles de blanchissement optique Withdrawn EP1639182A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48335103P 2003-06-27 2003-06-27
PCT/US2004/020613 WO2005003433A2 (fr) 2003-06-27 2004-06-28 Compositions de nettoyage a fluides lipophiles de blanchissement optique

Publications (1)

Publication Number Publication Date
EP1639182A2 true EP1639182A2 (fr) 2006-03-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04756214A Withdrawn EP1639182A2 (fr) 2003-06-27 2004-06-28 Compositions de nettoyage a fluides lipophiles de blanchissement optique

Country Status (9)

Country Link
US (1) US7345016B2 (fr)
EP (1) EP1639182A2 (fr)
JP (1) JP2007526344A (fr)
CN (1) CN1813093A (fr)
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US20040266648A1 (en) 2004-12-30
WO2005003433A2 (fr) 2005-01-13
AU2004254381A1 (en) 2005-01-13
MXPA05013673A (es) 2006-02-24
CA2525436A1 (fr) 2005-01-13
US7345016B2 (en) 2008-03-18
BRPI0411978A (pt) 2006-08-29
WO2005003433A3 (fr) 2005-06-09
JP2007526344A (ja) 2007-09-13
CN1813093A (zh) 2006-08-02

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